Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
17577 (1994 PD38)
Classification: Main-belt Asteroid          SPK-ID: 2017577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498368577625053 3.6646e-08  
a 3.107996564609221 1.6286e-08 au
q 2.642304125431514 1.1753e-07 au
i 7.587896124445795 4.1354e-06 deg
node 151.8333562220629 3.0138e-05 deg
peri 77.24170127605262 3.3288e-05 deg
M 15.35652521577813 1.2823e-05 deg
tp 2459115.129135665825
(2020-Sep-22.62913567)
7.1318e-05 TDB
period 2001.332380109373
5.48
1.573e-05
4.307e-08
d
yr
n .1798801656226268 1.4139e-09 deg/d
Q 3.573689003786928 1.8726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1574  
   data-arc span      10839 days (29.68 yr)  
   first obs. used      1990-11-14  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51247  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:07:02  

Additional Information
 Earth MOID = 1.64474 au 
 Jupiter MOID = 1.47279 au 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.61   n/a E2021B10  
diameter diameter 7.880 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17577 (1994 PD38)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PD38 = 1992 CD4 = 1998 ET12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 19:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin